Columbus Corporate Office

2800 Corporate Exchange Drive

Suite 240

Columbus, Ohio 43231

(614) 714-0299

Columbus AASHTO-Accredited Laboratory

5710 Westbourne Avenue

Columbus, Ohio 43213

(614) 892-0162

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Cleveland Office & AASHTO-Accredited Laboratory

2271 Scranton Road Suite 120

Cleveland, OH 44113

(216) 860-0558

Cincinnati Office

2868 East Kemper Road

Cincinnati, Ohio

(513) 337-9823

Akron Office

520 South Main Street

Suite 2531

Akron, Ohio 44311

(234) 602-0083

Ann Arbor Office & AASHTO-Accredited Laboratory

3915 Research Park Drive

Suite A2

Ann Arbor, MI 48108